| Color
| Lab grown Alexandrite |
| Size
| 10*10 mm
|
Shape
| SQ-Princess, pointed back
|
| Color | Vivid |
| Clarity | vvs |
Mohs Scale
| 8.5
|
Reflective Index
| 1.745-1.754
|
Density
| 3.73 g/cm3
|
Temperature resistance (highest limit)
|
|
There're 2 kinds of popular Lab Grown Stones:
One is Hydrothermal, the colors have are light, medium and dark shades.
Another one is Pulled-Czochralski , which the colors are usually in Dark.
What is Lab Grown Pulled Czoahralski ?
This process utilizes a stones seed crystal and is considered one of the top methods of creating quality ruby synthetic.
What is Lab Grown Hydrothermal stones?
Another stones Process method is made by hydrothermal growth (newest “Platinum” technology) which is slow and only method for successfully growing synthetic ruby. This process requires heat and pressure and imitates the conditions deep in the earth that result in the formation of natural gems. Nutrients are dissolved in a water solution, and then synthetic crystals form as the solution cools to produce a gemstone.
